One study, based on responses from 1,019 randomly selected teenagers, concluded that 41% of teenagers cite grades as their greatest source of pressure. Use a 0.05 significance level to test the claim that fewer than half of all teenagers i the population feel that grades are their greatest source of pressure. Formulate the null and alternative hypotheses. Choose the correct answer below. OA. Ho: p=0.5 Ha: p>0.5 O B. Ho: p=0.5 H₂: p *0.5 OC. Ho: p=0.5 OD. Ho: p<0.5 Ha: p=0.5 Ha: p<0.5 Find the test statistic. z = (Round to two decimal places as needed.) Find the P-value for the found test statistic. P-value = (Round to four decimal places as needed.) State the conclusion. Choose the correct answer below. O A. Do not reject Ho. There is insufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure. OB. Reject Ho. There is insufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure. O C. Reject Ho. There is sufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure. OD. Do not reiect Ho. There is sufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure.
One study, based on responses from 1,019 randomly selected teenagers, concluded that 41% of teenagers cite grades as their greatest source of pressure. Use a 0.05 significance level to test the claim that fewer than half of all teenagers i the population feel that grades are their greatest source of pressure. Formulate the null and alternative hypotheses. Choose the correct answer below. OA. Ho: p=0.5 Ha: p>0.5 O B. Ho: p=0.5 H₂: p *0.5 OC. Ho: p=0.5 OD. Ho: p<0.5 Ha: p=0.5 Ha: p<0.5 Find the test statistic. z = (Round to two decimal places as needed.) Find the P-value for the found test statistic. P-value = (Round to four decimal places as needed.) State the conclusion. Choose the correct answer below. O A. Do not reject Ho. There is insufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure. OB. Reject Ho. There is insufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure. O C. Reject Ho. There is sufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure. OD. Do not reiect Ho. There is sufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:One study, based on responses from 1,019 randomly selected teenagers, concluded that 41% of teenagers cite grades as their greatest source of pressure. Use a 0.05 significance level to test the claim that fewer than half of all teenagers in
the population feel that grades are their greatest source of pressure.
Formulate the null and alternative hypotheses. Choose the correct answer below.
O A. Ho: p=0.5
H₂:p>0.5
OB. Ho: p=0.5
Ha: p=0.5
O C. Ho: p=0.5
O D. Ho: p<0.5
Ha: p=0.5
Ha: p<0.5
Find the test statistic.
z =
(Round to two decimal places as needed.)
Find the P-value for the found test statistic.
P-value= (Round to four decimal places as needed.)
State the conclusion. Choose the correct answer below.
O A. Do not reject Ho. There is insufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure.
OB. Reject Ho. There is insufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure.
O C. Reject Ho. There is sufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure.
O D. Do not reject Ho. There is sufficient evidence to support the claim that fewer than half of all teenagers in the population feel that grades are the greatest source of pressure.
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